UPSC Civil Services Model Paper 1

● Deficiency of one or more nutrients can cause diseases or disorders in our body.
● Diseases that occur due to lack of nutrients over a long period are called deficiency diseases . Hence statement 1 is correct.
● All deficiency diseases can be prevented by taking a balanced diet.
● Iodine deficiency is the most common cause of thyroid enlargement and goitre. Hence statement 2 is correct .
◦ Goitre is an enlargement of the thyroid gland.
◦ Iodine is essential for the production of thyroid hormones.